📄 javascript professional projects java学习笔记.mht
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<DIV=20
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<BR>http://study.china-doc.cn=20
<P>www.SmartKernel.com</P>
<P>=A1=BE=CA=E9=C3=FB =A1=BF=A3=BAJavaScript Professional =
Projects=A1=BE=B3=F6=B0=E6=C9=E7 =A1=BF=A3=BAPremier =
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Hatcher=A1=A2John Gosney=A1=BE=C6=C0=BC=DB =
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=BE=D5=FD=CE=C4 =A1=BF=A3=BA</P><BR>
<P>----------------------------------------------------------------------=
------------------------------0001=A3=BA=20
lightweight add dynamic effects to your Web pages HTML (Hypertext Markup =
Language) far more processing power JavaScript is executed in the client =
browser------------------------------------------------------------------=
----------------------------------0002=A3=BA=20
=BE=D3=D6=D0=CF=D4=CA=BE=B5=C4=CE=C4=B1=BE=B1=EA=D6=BE=A3=BA =
<center> <font size=3D6>JavaScript Professional=20
Projects</font><br> <font size=3D4>Chapter 1: "Hello =
World!!"=20
Example</font> </center>=20
-------------------------------------------------------------------------=
---------------------------0003=A3=BA=20
JavaScript is only run on the client's=20
computer-----------------------------------------------------------------=
-----------------------------------0004=A3=BA=20
When creating an =
identifierjava=D1=A7=CF=B0=B1=CA=BC=C7=C8=E7=BA=CE=D1=A7=CF=B0java=A3=AC =
you should remember the following=20
very important=20
guidelines---------------------------------------------------------------=
-------------------------------------0005=A3=BA=20
JavaScript is a case-sensitive=20
language-----------------------------------------------------------------=
-----------------------------------0006=A3=BA=20
interpreter=20
=B1=E0=D2=EB=C6=F7-------------------------------------------------------=
---------------------------------------------0007=A3=BA=20
Reserved Key Words=A3=BA=20
=BC=FB=CD=BC0007---------------------------------------------------------=
-------------------------------------------0008=A3=BA=20
Comments=20
=D7=A2=CA=CD-------------------------------------------------------------=
---------------------------------------0009=A3=BA=20
Abstract Data Types=A3=BA Number String Boolean null undefined NaN=20
-------------------------------------------------------------------------=
---------------------------0010=A3=BA=20
String=C0=E0=D0=CD=B5=C4=CA=B9=D3=C3=A3=BA var str =3D new =
String("11111111111111111");=20
document.write(str.substring(1=C8=E7=BA=CE=D1=A7=CF=B0java=C8=E7=BA=CE=D1=
=A7=CF=B0java=C8=E7=BA=CE=D1=A7=CF=B0java=A3=AC3));----------------------=
-------------------------------------------------------------------------=
-----0011=A3=BA=20
=C5=D0=B6=CF=CA=C7=B2=BB=CA=C7=CA=FD=D7=D6=BB=F2=D5=DF=C4=DC=D7=AA=BB=AF=CE=
=AA=CA=FD=D7=D6=A3=BAdocument.write( isNaN( "123" ) ? "is not" : "is"=20
);-----------------------------------------------------------------------=
-----------------------------0012=A3=BA=20
=C7=E5=B3=FD=D2=BB=B8=F6=B2=BB=CA=B9=D3=C3=B6=D4=CF=F3=B5=C4=B7=BD=B7=A8=A3=
=BA var myDate =3D new Date(); delete( myDate ); myDate =3D=20
null;--------------------------------------------------------------------=
--------------------------------0013=A3=BA=20
=BA=AF=CA=FD=D2=B2=CA=C7=D2=BB=B8=F6=B6=D4=CF=F3=A3=BAdocument.write(type=
of(parseInt));=B7=B5=BB=D8=B5=C4=CA=C7function---------------------------=
-------------------------------------------------------------------------=
0014=A3=BA=20
=BA=AF=CA=FD=B5=C4=D7=F7=D3=C3=D3=F2=CE=CA=CC=E2=A3=BA <script =
language=3Djavascript> var a =3D "10"; function fun1() { var=20
b =3D "20"; c =3D "30"; try {=20
document.write(a);//=BF=C9=D2=D4=B7=C3=CE=CA=A3=AC=CB=E4=C8=BB=CA=B9=D3=C3=
=C1=CBvar=C8=E7=BA=CE=D1=A7=CF=B0java=C8=E7=BA=CE=D1=A7=CF=B0java=C8=E7=BA=
=CE=D1=A7=CF=B0java=A3=AC=B5=AB=CA=C7=D4=DAfunction=CD=E2=B2=BF=C9=F9=C3=F7=
}=20
catch(e) { document.write("a"); } document.write("<br>"); } =
function=20
fun2() { try {=20
document.write(b);//=B2=BB=BF=C9=D2=D4=B7=C3=CE=CA=C8=E7=BA=CE=D1=A7=CF=B0=
java=A3=AC=D2=F2=CE=AA=CA=B9=D3=C3=C1=CBvar=C8=E7=BA=CE=D1=A7=CF=B0java=C8=
=E7=BA=CE=D1=A7=CF=B0java=A3=AC=C7=D2=D4=DAfunction=C4=DA=B2=BF=C9=F9=C3=F7=
}=20
catch(e) { document.write("b"); } document.write("<br>"); try {=20
document.write(c);//=BF=C9=D2=D4=B7=C3=CE=CA=A3=AC=B2=BB=CA=B9=D3=C3var=C9=
=F9=C3=F7=A3=AC=D4=F2=CA=C7=C8=AB=BE=D6=B1=E4=C1=BF } catch(e) { =
document.write("c"); }=20
document.write("<br>"); } fun1(); fun2();=20
</script>----------------------------------------------------------=
------------------------------------------0015=A3=BA=20
JavaScript=CA=C7=D7=D4=B6=AF=C0=AC=BB=F8=CA=D5=BC=AF=B5=C4=A1=A3---------=
-------------------------------------------------------------------------=
------------------0016=A3=BA=20
=BB=F1=B5=C3=B5=B1=C7=B0=B6=D4=CF=F3=B5=C4=D2=FD=D3=C3=D2=B2=CA=C7=D3=C3=A3=
=BAthis------------------------------------------------------------------=
----------------------------------0017=A3=BA=20
switch=B5=C4=CA=B9=D3=C3=A3=BA var n =3D 12; switch( n ) { case 0: =
document.write( "zero" ); break;=20
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